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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2007
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Q)

The total energy of electron in the ground state of hydrogen atom is -13.6 eV. The kinetic energy of an electron in first excited state is :-


( A ) 3.4 eV
( B ) 6.8 eV
( C ) 13.6 eV
( D ) 1.7 eV

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